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Scientific Bulletin of Namangan State University

Abstract

The deformation-strength and physico-mechanical properties of geopolymer concrete are investigated. A geopolymer binder based on ash and ash from Angren TPP was obtained. The influence of the dosage of chopped basalt fiber on the mechanical properties of the geopolymer composition is investigated. The dependence of compressive strength, bending, and density on the dosage of fiber at different hardening periods is established.

First Page

89

Last Page

94

References

1. Provis J.L., Palomo A., Shi C. Advances in understanding alkaliactivated materials //Cement and Concrete Research. – 2015. 2. Provis J.L. Alkali-activated materials //Cement and Concrete Research.– 2017. 3. Zhang J. et al. Durability of alkali-activated materials in aggressive environments: A review on recent studies //Construction and Building Materials. – 2017. – T. 152. – S. 598–613. 4. Ranjbar N., Talebian S., Mehrali M. et al. Mechanisms of interfacial bond in steel and polypropylene fiber reinforced geopolymer composites // Composites Science and Technology. 2016. No.122. pp. 73-81. 5. Stradanshenko S.G., Pleshko M.S., Armeyskov V.N. Razrabotka effektivnx sostavov fibrobetona dlya podzemnogo stroitelstva // Injenerny vestnik Dona, 2013, №4. URL: ivdon.ru/ru/magazine/archive/n4y2013/1995. 6. Richardson A.E. Compressive strength of concrete with polypropylene fibre additions // Structural survey. 2006. Vol. 24, No. 2. pp. 138-153.

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